CN1076292C - Track-guided transport system with power and data transmission - Google Patents
Track-guided transport system with power and data transmission Download PDFInfo
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- CN1076292C CN1076292C CN96192993A CN96192993A CN1076292C CN 1076292 C CN1076292 C CN 1076292C CN 96192993 A CN96192993 A CN 96192993A CN 96192993 A CN96192993 A CN 96192993A CN 1076292 C CN1076292 C CN 1076292C
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/28—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium using the near field of leaky cables, e.g. of leaky coaxial cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L13/00—Electric propulsion for monorail vehicles, suspension vehicles or rack railways; Magnetic suspension or levitation for vehicles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/005—Current collectors for power supply lines of electrically-propelled vehicles without mechanical contact between the collector and the power supply line
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
- B61B13/00—Other railway systems
- B61B13/08—Sliding or levitation systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C13/00—Locomotives or motor railcars characterised by their application to special systems or purposes
- B61C13/04—Locomotives or motor railcars characterised by their application to special systems or purposes for elevated railways with rigid rails
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L23/00—Control, warning or like safety means along the route or between vehicles or trains
- B61L23/002—Control or safety means for heart-points and crossings of aerial railways, funicular rack-railway
- B61L23/005—Automatic control or safety means for points for operator-less railway, e.g. transportation systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L3/00—Devices along the route for controlling devices on the vehicle or train, e.g. to release brake or to operate a warning signal
- B61L3/16—Continuous control along the route
- B61L3/22—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation
- B61L3/225—Continuous control along the route using magnetic or electrostatic induction; using electromagnetic radiation using separate conductors along the route
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F38/00—Adaptations of transformers or inductances for specific applications or functions
- H01F38/14—Inductive couplings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2200/00—Type of vehicles
- B60L2200/26—Rail vehicles
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
- H04B5/266—One coil at each side, e.g. with primary and secondary coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/73—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for taking measurements, e.g. using sensing coils
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Non-Mechanical Conveyors (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
- Control Of Vehicles With Linear Motors And Vehicles That Are Magnetically Levitated (AREA)
- Control Of Position, Course, Altitude, Or Attitude Of Moving Bodies (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Discharge Of Articles From Conveyors (AREA)
- Warehouses Or Storage Devices (AREA)
- Train Traffic Observation, Control, And Security (AREA)
- Control Of Conveyors (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The invention concerns a track-guided transport system with power and data transmission and used for conveying goods. The transport system in question is provided with a transport element comprising drive and track-guide elements; storage, input and output units for goods (G); and a data processing and transmission unit (20). It is proposed that: the transport element (10) should be provided with a transmission head as a secondary element for transferring power from a primary circuit laid along the track, the transmission head (2) mounted on the vehicle comprising a ferrite core and a secondary winding (W2) surrounding the core and magnetically coupled to the primary circuit (6, 7); that an adjustable and controllable drive unit (17) should also be provided for forward motion; and that means (GL) should be provided for the forward motion (GL) for low-friction compensation of gravity and to ensure low-friction sliding along a track, as well as track-guide elements (SP).
Description
The present invention relates to a kind of rail conveying arrangement by claim 1 preamble.
By as departure point of the present invention, known a kind of transport element shipping goods, that be with driving and director element that is used for of the paper that W.Bode delivers on magazine " Deutsche Hebe-unclFordertechnik " (German lifting and transportation technology) 1986.H112.S.19-26, wherein be provided with a controollable transportation unit, the storage of goods, input and output unit, and data are handled and information transmission unit.By the quick allocative decision of determining goods as the ground waggon and the wireless data delivery between the center console of transport element.
Germany open source information DE3926401A1 describes the magnetic orbit system that a kind of band transports personnel or freight compartment pallet.Goods in the pallet upper container is reloaded in a loading, unloading device with its synchronized operation.Adopt outside nipper, it can lift container and move for this reason.
By the known a kind of system that is used for controlling and monitoring cargo distribution of Germany Patent document DE3942009C2, with transfer cask on a memory cell able to programme, the dolly and the communication unit between the processing unit.Transfer cask on memory cell able to programme and the dolly is fixed together, and as control and monitoring means on the whole transportation distance.It contains all data of cargo type and destination address in the expression transfer cask.Be summarised in a transportation data on the storage card with in the processing unit of data transfer beyond the dolly of shipping goods by reading, control unit has sensor and the binary pair (Aktor) that is used for monitoring goods to be transported in addition.
By the known a kind of energy transmission device to conveying arrangement of application for patent PCT-GB-92/00220.Narrated a kind of double lead wire in this application, wherein conductor is fixed on by on the bearing that magnetic conduction and non electrically conductive material are not made.This double lead wire is surrounded by an E shape ferrite core, and its intermediate arm inserts the cavity between the lead deeply, and holds and receive secondary winding, accepts energy and gives current consumer on the rail guided transport trolley by secondary winding.Known inductive energy transfer device is made up of a medium-frequency generator under the simplest situation, it to coil with the power supply of the higher-frequency electric current in the KHZ scope for example.
Because there is not the certain clearance dolly to travel on the track at it during at curve driving or by track switch, the use possibility of this energy transmission device is restricted.There is not the control system of consideration in automatic loading, unloading process of dwell point and information transmission.
Not shielding of double lead wire in according to the energy transmission device of application for patent PCT-GB-92/00220, and the distance between the double lead wire conductor causes the inductance that lead is big.Therefore the distance of lead must have minimum numerical value, receives the intermediate arm of E core of secondary winding and must move between conductor because hold.The lead 1 inductance of this big order of magnitude causes big inductive drop when the high-frequency transmission energy, and it must be compensated with a costly cond.Therefore the length that can realize according to this is a conclusive obstacle for being applied to long distance.
Conveying arrangement has diversified version in practicality in production technology and warehousing technology.The supply system that necessary assembly part on the fitting line is for example arranged in vehicle manufacturing industry, with a kind of form of electronic suspended rail, it allows to drive towards each station with the actuating device and the running rail of controlling oneself.
The container that is arranged in the band goods of high rack warehouse or pallet must change and installs on the dolly, for example is equipped with an elevating conveyor for this reason, and it can overcome the diff-H between dolly and the high rack warehouse storage position.For example dolly rests in by the elevating conveyor, and elevating conveyor is arranged task to dolly, and transfers to its pallet to be stored.According to writing on the pallet or handing to its mark by dolly, elevating conveyor can begin pallet is classified.
The shortcoming of known up to now conveying arrangement is, utilizes various active (aktive) and passive (positive) means of delivery to transmit.Here vehicle or dolly can be used as active transportation means, and they have been equipped with various loading, unloading devices.Passive in addition transportation means, add upper roller or wheel, bear very big wearing and tearing, if it is not equipped with magnetic levitation technology, too for the track of vehicle as track.There is not the system that can use for the control of logistics and lorry and manipulation omnipotently.Usually the information transmission is not online carries out, and great majority are the radio antennas by the ordinary construction pattern.If transport element is in the enclosure space, exist signal to receive problem here.
The objective of the invention is to: further development makes and reliably dolly is being carried out interrupted energy and information providing along interference-free in the motion process of in fact any long transmission line by the rail conveying arrangement of claim 1 preamble in this wise.
Solve by characteristics cited in the characteristic of claim according to this purpose of the present invention.
Of the present invention specializing in the dependent claims narrated.
Application of the present invention at first is to replace the sort of device by moving contact or trailing cable (drag chain) intake.Be hoisting device for electric energy non-contact transmission important use.The lifting dolly of high rack warehouse or magnetic orbit.This also beneficial to the system in the storehouse for elevator energy and information transfer.The one section definite distance of travelling, must be around the rotation of axis so that too can be with this system supply energy at the robot of different application site work.
An advantage of this device is the electric wire of having cancelled around hanging over dispersedly.Another advantage comes from a kind of special information transfer device, and it particularly can shield interference well, can have high transmission rate simultaneously.In fact it may be useful not having the worn-down driving style for rail guided vehicle.Should adopt magnetic levitation technology in this case.
Therefore goods transport systems is such integral way, makes that the transportation of goods can be carried out sooner, more reliable, and does not only have wearing and tearing but also help environment, is an advantage of the present invention.Here also have an advantage, both can be competent at short-range internal transportation, also can be competent at long-distance transportation by omnipotent conveying arrangement.
High degree of flexibility in advantage of the present invention also shows aspect transportation, because generally monitor and the automatic guidance transportation means by a central information processing and a control center as fixed station, wherein transportation means drives towards its target voluntarily, and all tasks of transporting of carrying out in same plane are finished with the conveying arrangement of a no friction and wear.Particularly in oil and mechanical component wearing and tearing very in the daily necessities enterprise of trouble, can adopt the magnetic levitation technology of the actuating device of being with magneto striction and same guide rail, can reach environmental protection as much as possible here.Maintenance and set-up cost are significantly less than the conveying arrangement with the mechanical movement part.Transmit at roller, wearing and tearing and noise are much higher in belt transmission and the separator (sortern).
Essence of the present invention is, based on the pallet container or the transport element of typification.Transport element can be equipped with three kinds of main transportation functions, incites somebody to action with this transport element goods:
1. leave in above it voluntarily and transport,
2. loading, unloading that is to say to be put on the vehicle line, and unload down above it again,
3. after unloading down from vehicle line, transport element stores together with goods where necessary.
For these three functions of processing task promptly combine in a kind of transport element that can use fully omnipotently.This means that transport element also can drive to a warehouse automatically by means of track switch, recall so that wait for there.The versatility of conveying arrangement shows, the requirement for determining goods must can provide within a short period of time, rather than only must send a car on road along the line and just can provide later on.For desirable goods is dispatched to the target location immediately and with the shortest distance, only need be just much of that by data conductor transmission instruction.The memory that is in the transport element can be sailed from the trend target line through after the time of predesignating by the information transfer device by means of microprocessor, and finishes its task.Therefore each transport element is the part of an integrated intelligent transportation system or conveying arrangement, and it is also monitoring the supply of noncontact electric current.
Application of the present invention is the coordination of storehouse management and task delegation instruction.This task realizes with very high degree of automation.Therefore can look to, because this transport element of integrated possibility of electronic circuit can be with big batch and lower cost manufacturing.
The another application of the invention example be by elevating conveyor with transport element be displaced to higher or than the track in the low degree on.This is good for overcoming the big diff-H that has than between the transportation route of length.Can make full use of on the one hand the high-speed of transportation means thus, unitized cargo does not need to change and installs to other transportation means and get on the other hand.For example this elevating conveyor is used for transport trolley is installed to another floor from a floor commentaries on classics in the shop assembly workshop.Wherein be provided with the vehicle line of transport element or transport trolley at each floor.
Here this transport trolley or vehicle only are the mechanicss of transport element.For example it is made up of power loading surface, transfer cask or a pallet that is used for accepting and depositing goods, one from the drive part that vehicle is delivered on the delivery track.Being provided with director element is used for changing keeping with track perhaps of track switch or shunting device middle orbit.
Drive motor is a kind of linear electric motors that are contained in the passive stator in the track that have in the embodiment of a kind of preferential employing of the present invention.When the applicable line motor, transport element comprises that it is useful that weight that it can cargo-carring goods is compensated by a magnetic suspension system.This suspension erecting by overhang must increase stability by the track that is contained in the transportation means side.This can realize that also it guarantees guiding accurately by the air gap control apparatus as transportation means by magnetic levitation.
The loading surface of this transportation means can be made different shapes according to the difference of application purpose.For example horizontal band conveyor is very useful for the loading, unloading of container or pallet.Certainly, and load the part of depositing in the warehouse for coordination of tasks entrusting commands container can drive towards different stations together with transportation means.
Transport element itself also can swap out from the vehicle line rise on a kind of station of shunting, and makes intermediate storage.When for example the quantity of transportation means produces by the caused fluctuation of demand on the circuit, just this situation may appear.Certainly the transportation means of filling also can be made intermediate storage.
Roller system in addition on each travelling bogie among the another kind of preferential embodiment that adopts of the present invention was used for carrying out rail and travels when big and magnetic force spacing control apparatus broke down at domestic shipping weight on vehicle line.Wherein also fully can, when underloading or unloaded transportation, connect the magnetic gravity-compensated device, and vehicle lifted so high, make roller inoperative.
In configuration aspects transport element is done further to investigate below about energy and information transfer device.
A chief component of the present invention is an energy transmission device.The important application object of non-contact electric energy transmission is elevator machinery, single track suspension type delivery track, container traffic device, the lifting dolly of high rack warehouse or magnetic force track.
An advantage of this structure is the lead of having cancelled around hanging over dispersedly.Another advantage comes from a kind of special information carrying means, and it can shield interference especially well, can reach higher transmission rate simultaneously.
The reliability of function of the present invention is based on non-contact power transmission device that is integrated in the vehicle line and the combined action that is integrated in the message exchange in the circuit equally on the other hand.Information carrying means is integrated in the circuit equally, and makes and can reach high transmission quality equally, and in fact it be not subjected to the influence of the disturbance of electromagnetic field.The supporting of transport vehicle and guide track provide mechanical protection for the energy and the information transmission system.
As what narrated, though it is well-known in the Medium frequency induction mode electric energy transmitting being gone on the moving movement transport element of feedway, but technical design will be done like this, and transport element must be moved with very little gap on its guide track.Cancelled this restriction by the present invention.Become very flexible in many aspects by combined traffic system with information carrying means.It can send many dollies by one section circuit, and they can control irrelevantly mutually, and coordinates their motions each other, and drives towards manufacturing process (manufacturing line) as required.
Side by side, be transferred to separate unit power many transport element until 10KW scope on by long transmission distance electric energy mutually is the notable feature of this application irrelevantly.Need such transmitting device for this reason, its air gap by in original scope is with acceptable expense and good efficiency through-put power, on transmission route, have as far as possible little inductive drop, simultaneously wherein the magnetic field of emission about the human body width of cloth is penetrated and electromagnetic compatibility aspect can ignore.This characteristic mainly reaches by the geometry of induction transfer element.
A major advantage of the present invention is found out in " coaxial " structure of conductor.Middle conductor links to each other with the outer conductor of U-shaped at end of run, makes electric current cross outer wall from middle conductor dbus and flows back to.Electric current is distributed on two outer walls.Although depth of penetration is not dark but electric current still runs into a big cross-sectional plane.Coaxial configuration guarantees that on the one hand the inductance of lead is as far as possible little, make and to transmit bigger length, also satisfy simultaneously the shielding requirements of structure for emission magnetic field, leakage field φ (streufeld) mainly is limited within the coaxial conductor, and in middle conductor inner and it around.Because shield shell and the unification of backflow lead obtain an extra advantage thus, saved conductor material.In addition because less saving of inductance is used for the cond of complementary induction loss in voltage in a large number.
By means of the fluting coaxial cable and cooperate the non-contact power transmission device information carrying means also to have lot of advantages.Do not exist by of the interference of other object, do not reflect or cover, for example in high rack warehouse, may be interfered owing to reflecting or covering radio signal to radio wave propagation.Being used for the necessary groove of radiation is provided with according to the different cycles ground of application scenario or ground aperiodic (only being the near field).Volume of transmitted data can reach 4MBit/sec.Therefore can realize autonomous operation with a travelling bogie of finishing all automations and control task voluntarily.Transport element comprises can be discerned travelling bogie and be positioned at sensor on which bar circuit.Can cancel the recognition system of the complexity that is used for dolly thus.Even can realize communication between each travelling bogie.Central computer can impel telediagnosis in addition.
The present invention is further elaborated by means of accompanying drawing below.
Wherein expression:
A scheme drawing of Fig. 1 conveying arrangement;
The block scheme of Fig. 2 non-contact information transmitting device;
The combination of Fig. 3 energy transform device and information carrying means;
Fig. 4 passes through the principle that information transfer is carried out in waveguide with what block scheme was represented;
Fig. 5 synthesizes by the energy transform device of leakage waveguide and the machinery of information carrying means;
The structure of Fig. 6 transport element;
The version of Fig. 7 energy and information carrying means;
Fig. 8 has the energy in the gap that is parallel to plane of movement between primary conductor structure and voltage transformer head and the version of information carrying means;
Fig. 9 energy transform device outer conductor is combined in the diagrammatic sketch in supporting and the guide track;
The elevation profile or the top view of the coaxial conductor structure of Figure 10 opening;
Figure 11 is by the cross-sectional plane of the coaxial conductor of band voltage transformer head;
Figure 12 coaxial conductor structure did not have moving system to be on this position at the cross-sectional plane at certain position at that time at this position;
The cross-sectional plane of a kind of good especially, detailed version of the coaxial conductor structure of Figure 13 band voltage transformer head.
At first the present invention is set forth according to the scheme drawing among Fig. 1.
For example on roller 18, roller motion on track 16 again drives by means of motor 17 transport element 10 that appointment is used for transporting here.But the type of side guide and driving should make every effort to not have the worn-down drive form for principle shown in Figure 1 is unimportant.Motor-driven and other servo drive energy needed are guaranteed supply by non-contact power transmission device.The fixing primary part of the voltage transformer head 2 of the band winding WZ of the sub section that the latter is moved together by conduct and transport element 10 and voltage transformer is formed, and primary part is made of middle conductor 6 and outer conductor 7 and a dividing plate 5.Middle conductor 6 is placed on the conductor support or dividing plate 5 that is made of plastics.The iron core of voltage transformer head 2 is preferably made by Ferrite Material.
Primary part is that an opening is up to the E of sidewall type structure.It is fixed on the supporting track 16.Primary part is by 11 power supplies of a medium-frequency generator.
Information carrying means is from fixed station 12, and it is by the coaxial cable 1 transmission data in rail road along the line of band opening 3.Sheet switching antenna 14 continues conduction with data and gives movement station, and movement station is contained on the dolly that moves on the track 16.
The inner structure of at length representing data link among Fig. 2.From the fixed station 12s by means of operation procedure or come from network or the software U of data memory N by interface module Ad and HF transmissions/receiving-member HF-S and HF-E by switch S/E to waveguide 1 conveying data.Transmission on transport element 10 and receiving-member and data processing equipment are represented with reference marks 20 in Fig. 2.The structure of this unit is corresponding to the structure in the fixed station 12.Waveguide for example is made up of together with inner conductor 13, insulator 15 and shell 19 copper conductor 9 of being furnished with the coaxial cable of groove 3.Cross-sectional plane can be round also can be positive square.Be transferred on the microcomputer MC by a HF modem and an interface module with spline structure at the other signal of waveguide, it is by unit B I and be summarised in the driving control system in the unit and determined the execution of instruction by the maneuvering system of the binary pair of sensor control.This structure group impels the system of each transport element 10 to have very high alerting ability, because each car can travel mutually irrelevantly.On certain position, also there is the possibility of giving another the right of way by means of track switch for this reason.
Fig. 3 represents the combination of energy and information carrying means for example, and wherein information transfer is utilized the conductor 6 and 7 of energy transform device.For this purpose is provided with a Connection Element K at the voltage transformer input end, for example it makes filter.The electric current of intermediate frequency that comes from producer MFG is superimposed with a high-frequency currents that is used for the information of transmitting.Because no matter still in the opposite direction transmitting information to the transport trolley direction from fixing system, be provided with a transmit-receive switch S/E at the input end of Connection Element K, it alternately switches on and off the modulator Mo and the demoder D of transmission information.The winding W of voltage transformer head in the system of motion
2And W
2' be connected on equally on the Connection Element K ' who makes filter, it plays a part ENERGY E and information are separated again.Energy is given current consumer VB.
Fig. 4 represents the same spline structure with the information carrying means of an independent waveguide 1.Here information carrying means is totally independent of energy transform device.Waveguide (Wellenleiter) is being to move in the open ISM frequency band of industrial technology and medical purpose well, because it guarantees data transmission rapidly when carrier frequency reaches 2.4GHZ, and because the little obstruction that can not cause the public information propagation of radius of action.Waveguide is one and leaks waveguide, and antenna on the kinematic scheme or near-field probe move in the vicinity near it, and between two coupling elements transmission information.
Shown in block scheme, by Connection Element K information transfer to waveguide 1, and above it reception information, switch S/E can be used for switching (way traffic) transmitting and receiving between the mode of operation here.No matter the primary edge at this information carrying means still is that secondary side is all modulated signal or demodulation, and is determined receive or transmit data by a process controller.
In Fig. 5 a the expression one as an example energy transmission system and the combination of information system.Leakage waveguide (Leckwellenleiter) 1 is contained in the upper end of the top conductor support 5 of intermediate frequency conductor 6.Leaking waveguide can be equipped with periodic transverse groove 3 (seeing Fig. 5 b) or press the longitudinal slot of the perforation of Fig. 5 c.The transverse groove that periodically is provided with plays the emission effect in groups, by the coupling of its realization with dielectric sheet switching antenna 14.This type of transmission requires to leak between waveguide and the sheet switching antenna has a minimum distance, so that produce a uniform high frequency magnetic field of intensity around sheet switching antenna.Therefore sheet switching antenna preferably is contained near the side of voltage transformer head.The longitudinal slot that leaks the waveguide perforation impels near around it and forms the near field.In this case as shown in Figure 9, to keep the near-field probe 14 this structures of big as far as possible distance be favourable with leaking waveguide in the voltage transformer head.
The transport element that is expressed as a kind of pallet in Fig. 6 is made up of a drive part An, and it is with track SP and sliding function spare GL below in one deck.This lower floor constitutes a kind of railroad vehicle commonly used with the last layer L that is used for depositing goods G.This vehicle adds that Information Level INF or 20 forms autonomous transport element 10 system's (see figure 1)s.These interlayers receive data from fixed station 12, contain an emitter and a receiver in order to carry out information exchange as the fixed station of having said.Be provided with a data processing equipment DA in addition, it can be with not operating binary pair A and sensor Se (see figure 2).For example can realize the magnetic force track thus and compensate gravity with gap adjustment.The adjusting of actuating device is carried out according to the predetermined data of being pass on by Central Processing Unit (CPU) ZE.The distance of each transport element or dolly is regulated by the information exchange between the dolly in addition, makes not bump.The top one deck of supporting and input and output can be equipped with multiple device, for example lifting element or roller conveyer.Only relate to supply with common radio wave propagation transmission information as shown in Figure 6 above the longer clearance envelope distance of 1km.If there is not track switch here, also can adopt glass fiber cable, from the reason of cost with owing to less damping aspect is favourable with it as intermediate link.
The version of expression a kind of preferential employing of the present invention among Fig. 7.Here the outer U-shaped section bar 7 of the primary element of energy transform device is used as the supporting member of the coaxial cable of information carrying means simultaneously.This section bar is preferably made of aluminum.When the application steel are made support 16, in shaped steel, put into the conductive pieces of making by the thick U-shaped aluminium sheet of about 2mm that is used for transmission of power and be good.The dividing plate 5 that the major part of packing in this U-shaped section bar 7 is then made by ferrite, and for example be screwed on shaped steel 16.The roller 18 of supporting carriage is by axis support 21 fixedly on the car frame 22.Occur excessive side direction for the guiding of dolly and when avoiding turning and rock and be provided with guide roller 23, only on the side, show here.These guide rollers are fixed on the car frame 22 with the axis support equally.Be positioned at the opposite of slotted coaxial cable in order to the sheet switching antenna 14 that carries out information transfer.
Energy transform device is not integrated within the circuit section bar 16 so widely in by the of the present invention another kind of version of Fig. 8, and shaped steel only is used as supporting and protection energy transform device and information carrying means are not mechanically damaged here.Supporting rollern and lateral guide way roller only are a kind of in a lot of possibilities here, wherein complete with shown in Figure 7 consistent of architectural feature.
Each is fixed on the supporting track 16 irrelevantly mutually for energy transform device and information carrying means.The level attitude of conductor support 5 and voltage transformer head 2 guarantees the horizontal clearance of necessity when curve driving.If be provided with track switch, the movable parts of band energy and information transfer element 1 and 2 can turn right out.
Possess E shape section bar at the of the present invention another kind of version medium-height trestle 16 by Fig. 9, wherein the U-shaped part 7 of energy transform device is the part that support 16 has satisfactory electrical conductivity, and for example it is made by fine aluminium.Sheet switching antenna 14 is positioned on the basal plane of waveguide 1 opposite U-shaped voltage transformer head 2.
Figure 10 to 12 is concrete to be showed in order to transmission of power, the open principle that is similar to the coaxial conductor structure of a side.U-iron oxysome unshakable in one's determination 2 surrounds middle conductor 6 in voltage transformer head 2, and direct magnetic flux φ is by secondary winding W
2(seeing Figure 11).Middle conductor 6 is powered by medium-frequency generator at the one end, makes to flow through electric current I
1In that it links to each other with housing away from an end of power supply.Because the symmetry of structure electric current here is divided into two identical stock electric current I/2 of size, and flows back to medium-frequency generator MFG (Figure 10) by housing.
Because solid conductor is the current offset that is commonly referred to Kelvin effect that U-shaped housing (for example made of aluminum) occurs during high frequency, electric current also is assigned in the housing wall unevenly, but begins only to infiltrate the corresponding degree of depth δ E of housing wall (seeing Figure 12) from inside face.Depth of penetration is approximately 0.5mm when 25KHZ and alumina based material.Electric current neither be evenly distributed on the inside face of U-shaped section bar, and major part flows through the position of magnetic-field intensity maximum.
By shown in Figure 12, on the part of path that the voltage transformer head does not have to arrive be 6 aspectant on two arms with middle conductor, from conductive region b recently
1Therefore can only provide a cross section for refluxing, be exactly by conduction width b
1With the cross-sectional plane that is drawn by frequency and the definite electric current of intermediate frequency depth of penetration δ E of material property.Inside or middle conductor 6 are made by intermediate frequency or high frequency Litz wire (Mittel-hochfrequenzlitze) and are good, so that eliminate this regional Kelvin effect.
Because the effective resistance of the limited depth of penetration of electric current and density of current uneven distribution backflow lead 7 on the shield shell inboard and loss may be greater than by the stranded thread inner conductors 6 of intermediate frequency.
Therefore by inner wire with simultaneously as shielding and conductive region width b on shell inner surface is made every effort in the backflow conductor of housing 7 and the moulding of outer conductor
1Wide as much as possible.The most appropriate is the version that realizes as shown in figure 13, and at this moment inside conductor 6 is done narrowly and had big as far as possible height H.
The size of whole transmitting device and in order to transmit the size that the desired intensity of current I of certain power depends on effective air gap in the magnetic circuit.
For the air gap that makes the magnetic circuit that flows through magnetic flow needn't be greater than the mechanical clearance δ of voltage transformer head
1And δ
2, the ferrite 5 of can packing in the support S of middle conductor.In fact this ferrite part does not improve the inductance value of middle conductor, because press such spatial destribution all the time according to the electric current in the physics theorem sidewall, make inductance value that minimum value be arranged, just this electric current at first with the aspectant sidewall sections of middle conductor on flow.
In the U-iron oxysome iron core 2 in Figure 13 with Fig. 5 a in the same secondary winding by two sub-winding W
2And W
2' form, they are arranged on the height H place that direct inner wire vis-a-vis extends on two arms unshakable in one's determination.Arrange to reach by such winding and hour utilize operational coiling space best with respect to the higher magnetic coupling factor of primary conductor 6 with at coaxial conductor version and inductance value.
For many applications of noncontact power transfer, for example in transportation technology, need device for transformer, wherein can there be many current consumers on same transmission route, to move with any variable power demand.Pack into open coaxial conductor or primary wires loop 6 of a plurality of voltage transformer heads is linked to be the series circuit of movable current consumer.
Constant electric current of intermediate frequency I of input in the coaxial conductor in good version of the present invention
1Applying electronic power adjustment link is useful for this reason, and its mouth is powered to different current consumers with the voltage and current that requires.Input end to the input constant coaxial conductor electric current I
1Loop input corresponding to the voltage of current consumer coil number.
Claims (20)
1. the rail conveying arrangement of forming by following components that is used to convey goods: the vehicle line of band supporting and director element (16); The storage and the input-output unit of that dragged by the driver element (17) that can control and regulate, a band goods (G) and data are handled and the transport element (10) of information transmission unit (20) wherein is furnished with director element (SP) with the no friction travel of realization for forward movement device (GL); Non-contactly the electric energy induction is transferred to the device that transport element gets on one, this device follows the conductor structure (6 of sailing line arrangement, constituting the energy transform device primary return by one, 7) form with at least one voltage transformer head (2) that links to each other with transport element, wherein the voltage transformer head has a soft magnetic bodies ferrite core and the secondary winding (W around it
2), secondary winding and primary return magnetic coupling,
It is characterized in that:
The outer conductor (7) of the primary return of being made by conductive material is made U-shaped, it is coaxially around inner wire and outer conductor (7) and supporting and director element conductive connection, wherein the conductor structure of the primary return of energy transform device (6,7) is integrated in supporting and the director element (16)
In order in the primary return (6,7) of transmission information between fixed station (12) and the transport element (10), to be integrated with a waveguide (1) at energy transform device along circuit, antenna (14) communication on it and the transport element (10), perhaps described waveguide is integrated in the supporting and director element (16) of transport systems.
2. according to the rail conveying arrangement of claim 1, it is characterized in that: sail the conductor (6 that one of line arrangement leaks waveguide (1) and is fixed in supporting and director element (16) or energy transform device primary return for transmission information between fixed station (12) and transport element follows, 7) on, on transport element, adorn an antenna (14) for the information transfer between transport element (10) and the leakage waveguide (1) simultaneously.
3. by the rail conveying arrangement of claim 2, it is characterized in that: leak waveguide (1) and make concentric conductor, it is provided with the groove (3) of the conduct emission opening that distributes perpendicular to wave line, and wherein the spacing of groove repeats periodically in groups.
4. by the rail conveying arrangement of claim 3, it is characterized in that: have the sheet switching antenna (14) that moves to spacing at least with leakage waveguide (1) and be contained on its end face of voltage transformer head (2) next door to transversal slotting.
5. by the rail conveying arrangement of claim 2, it is characterized in that: leak the concentric conductor that the longitudinal slot (3) that has axial perforation on circumference is made in waveguide, by one with maximum spacing longitudinally the antenna that moves of groove as near-field probe transmit information.
6. by the rail conveying arrangement of claim 2, it is characterized in that: the top of inner looping (6) of leaking the primary conductor of upper end, energy transform device that waveguide (1) is contained in conductor support (S).
7. by the rail conveying arrangement of claim 2, it is characterized in that: the leakage waveguide (1) of conductor structure of energy transform device (6,7) and information carrying means is with supporting and director element (16) is angled and installation with gap.
8. by the rail conveying arrangement of claim 2, it is characterized in that: for using the ISM frequency band carriers frequency of 2.4GHz by leaking waveguide (1) transmission information.
9. by the rail conveying arrangement of claim 1, it is characterized in that: the conductor structure of energy transform device (6,7) is the waveguide (1) of configuration information transmitting device simultaneously.
10. press the rail conveying arrangement of claim 1 or 9, it is characterized in that: be provided with a Connection Element (K) of making filter at the input position of energy transform device, it superposes on electric current of intermediate frequency one information is transferred to the high-frequency signal that transport element (10) gets on from fixed station (12), and will from electric current of intermediate frequency, separate from the high-frequency signal that travelling bogie emits conversely, simultaneously at the secondary winding (W that is contained in the voltage transformer head (2) on the travelling bogie
2, W
2') corresponding Connection Element of last connection (K ').
11. rail conveying arrangement by claim 1, it is characterized in that: the inner wire (6) that is centered on coaxially by the U-shaped outer conductor (7) of energy transform device is contained on the non-conductive conductor support (S), wherein inner wire is connected on the housing at the end of conductor structure away from the power input part position, inner wire is surrounded by a U-shaped voltage transformer head (2) with U-iron oxysome iron core simultaneously, has on the arm of iron core and is used for the secondary winding (W that energy is drawn
2).
12. the rail conveying arrangement by claim 1 is characterized in that: at secondary winding (W
2) go up with load resistor (Z) and connect an electric capacity (C), it provides magnetization current with the magnetic flow (B) in the generation ferrite core air gap.
13. the rail conveying arrangement by claim 1 is characterized in that: secondary winding and an electric capacity (C
2) serial connection, the inductive drop of its correction transformer head leakage inductance.
14. the rail conveying arrangement by claim 11 is characterized in that: for magnetic gap being reduced to necessary mechanical air gap (δ
1, δ
2) in conductor support (S) have a ferrite zone.
15. by the rail conveying arrangement of claim 1, it is characterized in that: the gap plane parallel between primary conductor structure (6,7) and the voltage transformer head (2) is in the plane of movement of transport element (10), with the necessary gap of assurance travelling bogie when the curve driving.
16. the rail conveying arrangement by claim 1 is characterized in that: act on transport element (10) and comprise that the gravity on the cargo-carring goods passes through a roller balance that goes up motion at supporting member (16).
17. the rail conveying arrangement by claim 1 is characterized in that: act on transport element (10) and comprise that the gravity that can load on the superincumbent goods is compensated by a magnetic suspension system, and drive by a linear electric motors realization.
18. by the rail conveying arrangement of claim 1, it is characterized in that: the transportation of the transport element of goods and/or shipping goods, storage, classification, distribution and trust are sent on the transport element and the information that is stored in is controlled by one from central fixed station (12) there.
19. the rail conveying arrangement by claim 1 is characterized in that: for loading, unloading goods (G) transport element (10) is provided with the horizontal band conveyor that a band drives.
20. the rail conveying arrangement by claim 1 is characterized in that: can travel on passive track switch by means of active rail-guided element.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19512523.1 | 1995-04-03 | ||
| DE19512107.4 | 1995-04-03 | ||
| DE19512107A DE19512107B4 (en) | 1995-04-03 | 1995-04-03 | Track-guided transport system with contactless energy transfer |
| DE19512523A DE19512523A1 (en) | 1995-04-03 | 1995-04-03 | Track-guided transport system for goods conveying |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1180335A CN1180335A (en) | 1998-04-29 |
| CN1076292C true CN1076292C (en) | 2001-12-19 |
Family
ID=26013994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN96192993A Expired - Fee Related CN1076292C (en) | 1995-04-03 | 1996-03-30 | Track-guided transport system with power and data transmission |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US6089512A (en) |
| EP (1) | EP0814994B1 (en) |
| JP (1) | JP3370678B2 (en) |
| KR (1) | KR100372952B1 (en) |
| CN (1) | CN1076292C (en) |
| AT (1) | ATE188656T1 (en) |
| AU (1) | AU696180B2 (en) |
| CA (1) | CA2217234C (en) |
| DK (1) | DK0814994T3 (en) |
| TW (1) | TW333959U (en) |
| WO (1) | WO1996031381A1 (en) |
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- 1996-03-30 AU AU54983/96A patent/AU696180B2/en not_active Ceased
- 1996-03-30 CA CA002217234A patent/CA2217234C/en not_active Expired - Fee Related
- 1996-03-30 DK DK96911976T patent/DK0814994T3/en active
- 1996-03-30 KR KR1019970706943A patent/KR100372952B1/en not_active IP Right Cessation
- 1996-03-30 CN CN96192993A patent/CN1076292C/en not_active Expired - Fee Related
- 1996-03-30 US US08/913,857 patent/US6089512A/en not_active Expired - Lifetime
- 1996-03-30 EP EP96911976A patent/EP0814994B1/en not_active Expired - Lifetime
- 1996-03-30 AT AT96911976T patent/ATE188656T1/en active
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Also Published As
| Publication number | Publication date |
|---|---|
| DK0814994T3 (en) | 2000-05-08 |
| CN1180335A (en) | 1998-04-29 |
| EP0814994B1 (en) | 2000-01-12 |
| KR19980703539A (en) | 1998-11-05 |
| ATE188656T1 (en) | 2000-01-15 |
| AU696180B2 (en) | 1998-09-03 |
| EP0814994A1 (en) | 1998-01-07 |
| KR100372952B1 (en) | 2003-06-18 |
| AU5498396A (en) | 1996-10-23 |
| WO1996031381A1 (en) | 1996-10-10 |
| CA2217234A1 (en) | 1996-10-10 |
| US6089512A (en) | 2000-07-18 |
| JPH11503297A (en) | 1999-03-23 |
| CA2217234C (en) | 2003-05-27 |
| TW333959U (en) | 1998-06-11 |
| JP3370678B2 (en) | 2003-01-27 |
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